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Lettuce Learn to Wash Produce Properly

Tips to keep your fruits and veggies safe and healthy.
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WebMD Weight Loss Clinic-Feature
Reviewed by Louise Chang, MD

The government's recent warning about some packaged fresh spinach has people worried about the safety of their produce, especially greens and lettuces.

After an outbreak of E. coli infections, the Food and Drug Administration recommended that consumers not eat any products containing fresh spinach from Natural Selection Foods of San Juan Bautista, Calif., with a date code of Oct. 1, 2006, or earlier.

Apparently, the particular strain of E. coli involved in this outbreak cannot be washed off. But other spinach, greens, and lettuce are considered safe to eat -- as long as they are washed properly.

Fear of contamination should not keep you from enjoying the many nutritional benefits of produce, says David Grotto, RD, a spokesman for the American Dietetic Association.

"Just make sure you follow safe food-handling procedures in your kitchen, and you can continue to enjoy all the vitamins, minerals, fiber, and disease-protecting health benefits of all produce, including lettuces and greens," Grotto says.

But how do you make sure you're following these safe procedures? WebMD asked the experts for tips about the care and handling of fresh produce.

Tips for Washing Produce

Keep in mind that produce is a raw product, grown in dirt, which is handled by lots of people before it ever gets into your kitchen. Bacteria can be transferred from dirt residue, or from any of the people handling the produce before and after it arrives in the supermarket.

To ensure the safety of your produce, including organic produce, it's important to wash it well, using proper technique, experts say. It's better to be safe and wash all produce -- even bananas and melons with tough skins and rinds -- to remove any dirt, pesticides, or bacteria.

Many people are not accustomed to washing melons, but "salmonella on the rind of a melon can be transferred to the knife and contaminate the flesh of the melon if you don't wash it," says Grotto.

There is one exception to the washing rule: Bagged salad mixes that are pre-washed do not need to be washed again, Feist says. But if the salad package does not indicate that it is washed -- or if you have any doubts -- wash it again.

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